Specific cable set for connecting the vehicle seats with the following options for Audi A3 8Y: Seat heating on the driver and passenger side Easy commissioning with minimal time Only one cable harness is required for both seats The cable set must be connected to the original seat heating controls in the air conditioning control unit as well as to the central electrical system Scope of delivery: Cable set Notes: When retrofitting the seat heating, an exchange air conditioner is required Coding dongle item no. 41899 is required